CN213981522U

CN213981522U - Device for fixing truss

Info

Publication number: CN213981522U
Application number: CN202022936192.0U
Authority: CN
Inventors: 李苹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-17
Anticipated expiration: 2030-12-10

Abstract

The utility model provides a device for fixed truss, includes elasticity piece and the equipment box body that links to each other with the elasticity piece, be equipped with the chain wheel in the equipment box body, the left end face of chain wheel is fixed with the gear, the right-hand member face of chain wheel is equipped with two mutually opposite chucking devices, be equipped with first spring on the chucking device and connect the trip at the L shape retaining member of first spring one end and the first spring other end, the equipment box body with the corresponding position of chucking device is equipped with spacing draw-in groove, the left end face of L shape retaining member is equipped with the rack of evenly arranging, the rack card is in the chain wheel, the utility model discloses can realize the function of fixed square truss, it is fixed effectual moreover, easy operation is convenient, work efficiency is high, labour saving and time saving.

Description

Device for fixing truss

Technical Field

The utility model relates to a fixing device, concretely relates to a device for fixing truss.

Background

The truss has the advantages that the rod piece mainly bears tensile force or pressure, so that the strength of the material can be fully utilized, the material can be saved compared with a solid web beam when the span is large, the self weight is reduced, and the rigidity is increased; the trusses may be classified into triangular trusses, square trusses, trapezoidal trusses, polygonal trusses, open-web trusses, and truss bridges according to the structure.

When the truss is fixedly built, elements such as ropes or screws are used for fixing at present, the fixing mode is not only troublesome, but also low in efficiency and time-wasting, the screws can be fixed loosely and can not be fixed firmly, and particularly when the square truss is used, the problem is particularly obvious, so that the problem is solved by a novel device for fixing the square truss.

SUMMERY OF THE UTILITY MODEL

To the technical defect who exists among the background art, the utility model provides a device for fixed truss has solved above-mentioned technical problem and has satisfied the actual demand, and concrete technical scheme is as follows:

including elasticity spare and the equipment box body that links to each other with the elasticity spare, be equipped with the chain wheel in the equipment box body, the left end face of chain wheel is fixed with the gear, the right-hand member face of chain wheel is equipped with two mutually opposite chucking devices, be equipped with first spring and connect the trip at the L shape retaining member of first spring one end and the first spring other end on the chucking device, the equipment box body with the corresponding position of chucking device is equipped with spacing draw-in groove, the left end face of L shape retaining member is equipped with the rack of evenly arranging, the rack card is in the chain wheel.

As a further technical scheme of the utility model, be equipped with the draw-in groove hole of placing the trip on the L shape retaining member, first spring is placed the draw-in groove is downthehole.

As the utility model discloses a further technical scheme, elasticity piece appearance profile is "T" shape, the both sides of elasticity piece right-hand member all are equipped with the recess, are equipped with the annular groove corresponding with the groove position on the equipment box body, the recess internal fixation has the second spring, the other end of second spring is connected with the fixture block, elasticity piece right-hand member cavity and inner wall are equipped with the latch.

As a further technical scheme of the utility model, the gear with chain wheel integrated into one piece, the right-hand member portion cover of elasticity piece connects on the gear, the latch with gear intermeshing.

As a further technical scheme of the utility model, be equipped with the arc recess that suits with the finger on the elasticity piece.

The utility model has the advantages of that: when specifically using, twist the elasticity piece, drive gear revolve through the elasticity piece to this makes the chain wheel rotate, and the chain wheel drives two chucking devices again and up or down removes, reaches the effect of pressing from both sides tight or loosening square truss in vertical direction, and the pulling trip makes the spring flexible, can reach the chucking or loosen square truss's effect on the horizontal direction, when putting up the truss, the utility model discloses can realize the function of fixed square truss, it is fixed effectual moreover, easy operation is convenient, and work efficiency is high, labour saving and time saving.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic structural view of the dental tray 3.

Fig. 4 shows a schematic view of the fastening member 1.

Fig. 5 is an enlarged view of position a.

Wherein: the clamping device comprises a loosening part 1, an assembling box body 2, a toothed disc 3, a gear 4, a clamping device 5, a first spring 501, an L-shaped locking part 502, a clamping hook 503, a limiting clamping groove 6, a rack 7, a clamping groove hole 8, a groove 9, an annular groove 10, a second spring 11, a clamping block 12, a clamping tooth 13 and an arc-shaped groove 14.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.

In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly including one or more of such features.

The utility model provides a device for fixed truss, includes elasticity piece 1 and the equipment box body 2 that links to each other with elasticity piece 1, be equipped with chain wheel 3 in the equipment box body 2, the left end face of chain wheel 3 is fixed with gear 4, the right-hand member face of chain wheel 3 is equipped with two mutually opposite chucking device 5, be equipped with first spring 501 on chucking device 5 and connect the L shape retaining member 502 of first spring 501 one end and the trip 503 of the first spring 501 other end, equipment box body 2 with the corresponding position of chucking device 5 is equipped with spacing draw-in groove 6, the left end face of L shape retaining member 502 is equipped with rack 7 of evenly arranging, rack 7 card is in the chain wheel 3.

Referring to fig. 1 to 5, the utility model discloses when specifically using, at first twist loose piece 1, because latch 13 and gear 4 intermeshing on the loose piece 1, loose piece 1 will drive gear 4 and rotate, and gear 4 again with chain wheel 3 fixed connection, so chain wheel 3 will then rotate together, chain wheel 3 is again with rack 7 intermeshing on the L shape retaining member 502, chain wheel 3 will drive two L shape retaining members 502 and reciprocate, L shape retaining member 502 will stretch out or retract from spacing draw-in groove 6, thereby prescribe a limit to the position that two square trusses reciprocated, pulling trip 503, make the spring flexible, make the trip chucking or loosen two square trusses 503, thereby prescribe a limit to the position of the horizontal migration of two square trusses, finally reach the effect of fixing two square trusses.

Referring to fig. 1, as a further technical solution of the present invention, a slot hole 8 for placing the hook 503 is disposed on the L-shaped locking member 502, the first spring 501 is disposed in the slot hole 8, the hook 503 can move horizontally in the slot hole 8, and the first spring 501 is fixedly connected to the hook 503, so that the hook 503 can move in the slot hole 8 and cannot move out of the slot hole 8, thereby limiting the moving position of the hook 503, and further enabling the hook 503 to fix the truss.

Referring to fig. 1 and 4, as a further technical scheme of the utility model, the appearance profile of fastening piece 1 is "T" shape, the both sides of fastening piece 1 right-hand member all are equipped with recess 9, are equipped with the annular groove 10 corresponding with recess 9 position on the equipment box body 2, recess 9 internal fixation has second spring 11, the other end of second spring 11 is connected with fixture block 12, fastening piece 1 right-hand member cavity and inner wall are equipped with latch 13, and fixture block 12 compressible second spring 11 makes it receive within recess 9, and when equipment fastening piece 1 and equipment box body 2, insert gear 4 to the right-hand member of fastening piece 1, when latch 13 in fastening piece 1 and gear 4 intermeshing, fixture block 12 will pop out from recess 9, enter into annular groove 10 to this makes both fastening piece 1 and equipment box body 2.

Referring to fig. 1, as the utility model discloses a further technical scheme, gear 4 with the integration shaping of chain wheel 3, the right-hand member portion cover of elasticity piece 1 connects on the gear 4, latch 13 with gear 4 intermeshing, gear 4 and chain wheel 3 integration shaping have strengthened the firm degree of cooperation of gear 4 with chain wheel 3, can not cause gear 4 and chain wheel 3 not hard up, and gear 4 and latch 13 intermeshing for elasticity piece 1 can drive gear 4 and rotate.

Referring to fig. 1 or fig. 4, as a further technical solution of the present invention, the fastening member 1 is provided with an arc groove 14 adapted to the finger, and the arc groove 14 is favorable to making the finger more comfortable when screwing the fastening member 1, and is in accordance with ergonomics, thereby reducing the pain caused by screwing the fastening member 1.

The utility model has the advantages of that: when specifically using, twist the elasticity piece 1, drive gear 4 through elasticity piece 1 and rotate to this makes chain wheel 3 rotate, and chain wheel 3 drives two chucking devices 5 again and reciprocates, reaches the effect of pressing from both sides tight or loosening square truss in vertical direction, and pulling trip 503 makes the spring flexible, can reach the chucking or loosen square truss's effect on the horizontal direction, when putting up the truss, the utility model discloses can realize the function of fixed square truss, it is effectual to fix moreover, and easy operation is convenient, and work efficiency is high, labour saving and time saving.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a device for fixed truss, includes elasticity piece (1) and equipment box body (2) that link to each other with elasticity piece (1), a serial communication port, be equipped with chain wheel (3) in equipment box body (2), the left end face of chain wheel (3) is fixed with gear (4), the right-hand member face of chain wheel (3) is equipped with two mutually opposite chucking device (5), be equipped with first spring (501) on chucking device (5) and connect L shape retaining member (502) of first spring (501) one end and trip (503) of first spring (501) other end, equipment box body (2) with chucking device (5) corresponding position is equipped with spacing draw-in groove (6), the left end face of L shape retaining member (502) is equipped with rack (7) of evenly arranging, rack (7) card is in chain wheel (3).

2. The device for fixing the truss according to claim 1, wherein the L-shaped locking member (502) is provided with a slot (8) for placing a hook (503), and the first spring (501) is placed in the slot (8).

3. The device for fixing the truss is characterized in that the outline of the fastening piece (1) is in a T shape, grooves (9) are formed in two sides of the right end of the fastening piece (1), an annular groove (10) corresponding to the positions of the grooves (9) is formed in the assembly box body (2), a second spring (11) is fixed in each groove (9), a clamping block (12) is connected to the other end of each second spring (11), and the right end of the fastening piece (1) is hollow and is provided with clamping teeth (13) on the inner wall.

4. A device for fixing a truss as claimed in claim 3 wherein the gear (4) is integrally formed with the chain wheel (3), the right end of the tightening part (1) is sleeved on the gear (4), and the latch (13) is meshed with the gear (4).

5. A device for fixing a truss as claimed in claim 1 wherein the tightening part (1) is provided with an arc-shaped groove (14) adapted to the finger.